Download RGUHS?(Rajiv Gandhi University of Health Sciences) B.Pharmcy (Bachelor of Pharmacy) 1st Year (First Year) 5002 Pharmaceutical Analysis I Previous Year Question Paper
First Semester B.Pharm Degree Examination ? 24-Oct-2024
Time: Three Hours
Max. Marks: 75
PHARMACEUTICAL ANALYSIS - I
Q.P. CODE: 5002
Your answers should be specific to the questions asked
Draw neat labeled diagrams wherever necessary
All the questions are compulsory
LONG ESSAYS
2 x 10 = 20 Marks
1.
Explain the various methods for expressing concentrations. Define primary standard and
secondary standard substances with suitable examples. List the criteria for a substance to
called primary standard substance.
OR
Classify the various solvents used in non aqueous titrations with suitable examples.
Explain the assay of sodium benzoate I.P.
2.
Define and classify redox titrations with suitable examples and explain the assay of ferrous
sulphate I.P. by cerimetry.
SHORT ESSAYS
7 x 5 = 35 Marks
3.
Define error. Explain four methods for minimizing errors
OR
Explain preparation of 1000 ml 0.1N perchloric acid and describe its standardization.
4.
Name the theories of neutralization indicators and explain any one in detail.
OR
Explain Fajan's method with a suitable example.
5.
Describe the steps involved in gravimetric analysis.
6.
What are masking and de-masking reagents? Explain the assay of calcium gluconate I.P.
7.
Define and classify conductometric titrations with suitable examples
8.
Explain the different curves to determine the end point in potentiometry
9.
Explain any one reference electrode with a neat labelled diagram. Indicate its use.
SHORT ANSWERS
10 x 2 = 20 Marks
10. What is the difference between accuracy and precision?
11. Explain significant figure with an example.
12. Explain preparation of 500 ml 0.1N hydrochloric acid using concentrated hydrochloric acid.
13. Differentiate co- precipitation and post-precipitation.
14. What are metal ion indicators and give examples?
15. What are sequestering agents? Give examples
16. Write the difference between Iodimetry and Iodometry
17. What is the equivalence point in redox titration?
18. What is Polarography? List two applications in pharmaceutical analysis.
19. Explain the role of nitrobenzene and nitric acid in modified Volhard's method in estimation
of chloride.
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This post was last modified on 12 January 2025